Gas-tight electroluminescent device

Abstract

The invention relates to a gas-tight electroluminescent device ( 100 ) with an electroluminescent part ( 104 ) and a sealing part ( 102 ). The electroluminescent part comprises an electroluminescent layer ( 114 ), a first electrode layer ( 112 ), and a second electrode layer ( 116 ). The sealing part comprises a substrate ( 106 ), a cover plate ( 110 ) for gas-tight sealing the electroluminescent device, and at least one receiver winding ( 105; 206; 208; 406 ) for receiving electromagnetic radiation.

The invention claimed is: 
     
       1. A gas-tight electroluminescent device comprising an electroluminescent part and a sealing part, the electroluminescent part comprising an electroluminescent layer, a first electrode layer, and a second electrode layer, the sealing part comprising a substrate, a cover plate for gas-tight sealing the electroluminescent device, and at least one receiver winding for receiving electromagnetic radiation, wherein
 the electroluminescent layer is located between the first and the second electrode layer; 
 the sealing part is connected gas-tight to the electroluminescent part via the cover plate, 
 the first electrode layer is electrically connected to a first point of the receiver winding; 
 the second electrode layer is electrically connected to a second point of the receiver winding; 
 the at least one receiver winding is arranged on the substrate, and wherein the at least one receiver winding comprises first and second receiver windings wherein the first receiver windings are arranged above the substrate, wherein the first receiver windings are separated by gaps, wherein the second receiver windings are arranged below the substrate under the gaps such that the first and the second receiver windings are adapted for sealing the electroluminescent device and wherein the first and the second receiver windings are electrically connected to each other with a plurality of feed-throughs. 
 
     
     
       2. The gas-tight electroluminescent device according to  claim 1 , wherein the electrical connection of the first electrode layer to the first point of the receiver winding leads through a feed-through, the feed-through leading through the substrate. 
     
     
       3. The gas-tight electroluminescent device according to  claim 1 , wherein the cover plate is a glass plate. 
     
     
       4. The gas-tight electroluminescent device according to  claim 1 , wherein the cover plate is a electrically conductive, and wherein the electroluminescent device further comprises a soft-magnetic shielding for avoiding induction of an electric current into the electrically conductive plate by electromagnetic radiation. 
     
     
       5. The gas-tight electroluminescent device according to  claim 4 , wherein the first or the second electrode layer is electrically connected to the receiver winding via the cover plate. 
     
     
       6. The gas-tight electroluminescent device according to  claim 4 , wherein the receiver winding has a winding origin and a peripheral winding end, wherein the first point of the receiver winding is located at the winding origin, and wherein the second point of the receiver winding is located at the peripheral winding end. 
     
     
       7. The gas-tight electroluminescent device according to  claim 4 , wherein the substrate is made of polymers. 
     
     
       8. The gas-tight electroluminescent device according to  claim 6 , wherein the substrate comprises at least one metal layer for avoiding gas diffusion through the substrate. 
     
     
       9. The gas-tight electroluminescent device according to  claim 6 , wherein the electroluminescent device comprises a glass mounting structure, wherein the second electrode layer is located on the glass mounting structure, and wherein the second electrode layer is transparent. 
     
     
       10. An illuminating apparatus comprising a plurality of electroluminescent devices of  claim 8 . 
     
     
       11. An illuminating system comprising an electroluminescent device according to  claim 8  and an inductor, wherein the inductor is adapted for establishing an electromagnetic field in the region of the electroluminescent device, wherein the electromagnetic filed induces a current in the electroluminescent device.